chore(jpush): upgrade push request logging level and detail

Change the log level from `Debug` to `Info` and include the full request body string to improve observability of outgoing push payloads.

internal/pkg/jpush/client.go

@@ -211,7 +211,7 @@ func (c *Client) parseResponse(resp *http.Response, body []byte) (*PushResponse,
 
 func (c *Client) Push(payload map[string]any) (*PushResponse, *RateLimitInfo, error) {
 	body, _ := json.Marshal(payload)
-	c.logger.Debug("jpush push request", zap.Int("body_size", len(body)))
+	c.logger.Info("jpush push request", zap.String("body", string(body)))
 
 	resp, respBody, rateLimit, err := c.doRequest("POST", PushAPIBaseURL+"/push", payload)
 	if err != nil {